package com.sky.service.impl;

import com.sky.entity.Orders;
import com.sky.mapper.OrderMapper;
import com.sky.service.ReportService;
import com.sky.vo.TurnoverReportVO;
import org.apache.commons.collections4.map.HashedMap;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

@Service
public class ReportServiceImpl implements ReportService {

    @Autowired
    private OrderMapper orderMapper;
    @Override
    public TurnoverReportVO turnoverStatistics(LocalDate begin, LocalDate end) {
        List<LocalDate> dateList = new ArrayList<>();
        List<Double> turnoverList = new ArrayList<>();

        dateList.add(begin);

        while (!begin.equals(end)) {
            begin = begin.plusDays(1);
            dateList.add(begin);
        }

        for (LocalDate date : dateList) {
            LocalDateTime beginDay = LocalDateTime.of(date, LocalTime.MIN);
            LocalDateTime endDay = LocalDateTime.of(date, LocalTime.MAX);

            Map map = new HashedMap();
            map.put("begin", beginDay);
            map.put("end", endDay);
            map.put("status", Orders.COMPLETED);
            Double turnover = this.orderMapper.sumByMap(map);
            turnover = turnover == null ? 0.0 : turnover;
            turnoverList.add(turnover);
        }

        return TurnoverReportVO.builder()
                .dateList(StringUtils.join(dateList, ","))
                .turnoverList(StringUtils.join(turnoverList, ","))
                .build();
    }
}
